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Computer Architecture

Practice Computer Architecture MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 50 practice questions with answers and explanations.

The concept in which a CPU register that holds the memory address of the next instruction to be executed is best known as which of these terms?
Identify the correct definition of Program counter.
What term describes the following? a special-purpose CPU register used to store the intermediate results of arithmetic and logic operations.
In computer science, Accumulator refers to which of the following?
Select the correct name for: the specific implementation details of a processor design that realize a given instruction set architecture.
Which statement correctly explains Microarchitecture?
Which concept is defined as follows: the number of bits a processor can handle or transfer in a single operation?
What is Word size primarily used for?
The following statement describes a specific concept. What is it called? a technique used in an instruction to specify how the operand's memory address is determined.
Select the accurate description of Addressing mode.
Which term refers to the collection of functional units within a CPU, such as the ALU and registers, that perform data processing?
What does Data path refer to?
What is the name for a limitation on system throughput caused by shared memory paths for both data and instructions?
Which of the following best describes Von Neumann bottleneck?
Identify the correct concept described as: another term for the sequence of fetching, decoding, and executing a single CPU instruction.
Instruction cycle is best defined as which of the following?
A classification of computer architectures based on the number of instruction and data streams they can process simultaneously. What is this concept called?
Choose the correct description of Flynn's taxonomy.
Which of the following best names the concept in which a CPU performance technique that guesses the outcome of a conditional instruction before it is known?
What is the function or purpose of Branch prediction?

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